Updated:21 October 2026
Rank 1-15 of the best citrullines
Our recommendation Price Customer rating
1. Comparison winner
L Citrulline 3000mg Capsules
L Citrulline 3000mg Capsules
Available immediately
free shipping
  • contains 3000 mg of l-citrulline per serving
  • available in capsule form
  • can be opened and mixed into various drinks or foods for dosage flexibility
Our rating
9,6
very good
2. Best value
Citrulline Malate Powder 500g
Citrulline Malate Powder 500g
Available immediately
free shipping
  • citrulline content is identified as 100% pure citrulline malate in a 2:1 ratio
  • form is not specified
  • intended use is as a pre-workout supplement supporting energy levels
Our rating
9,6
very good
BioTechUSA Citrulline Malate Powder 300g
BioTechUSA Citrulline Malate Powder 300g
Available immediately
free shipping
  • contains L-citrulline amino acid
  • available in powdered form
  • easy to adjust dosage with your personal needs
Our rating
9,6
very good
4. Bestseller
Double Wood L-Citrulline Capsules - 1200mg, 180 count, Nitric Oxide Supplement
Double Wood L-Citrulline Capsules - 1200mg, 180 count, Nitric Oxide Supplement
Available immediately
free shipping
  • 1200 mg of L-Citrulline per 2-capsule serving
  • capsules
  • flexible dosage with up to 90 servings per bottle
Our rating
9,6
very good
Freak Athletics L-Citrulline Powder 500g
Freak Athletics L-Citrulline Powder 500g
Available immediately
free shipping
  • contains 5g of L-Citrulline per serving to support nitric oxide production and enhance circulation
  • available in powder form
  • offers flexible dosing with 1-2 servings daily, suitable before, during, or after exercise
Our rating
9,6
very good
Citrulline Malate Powder 2:1 (500g)
Citrulline Malate Powder 2:1 (500g)
Available immediately
free shipping
  • contains citrulline malate
  • comes in powder form
  • intended for use as pre-workout
Our rating
9,6
very good
TREC Nutrition CITRULLINE Synergy 240g
TREC Nutrition CITRULLINE Synergy 240g
Available immediately
free shipping
  • contains 2400mg citrulline complex per serving, consisting of citrulline malate and L-citrulline
  • available in powder form for easy mixing
  • offers dosage flexibility with up to two servings daily on training and non-training days
Our rating
9,6
very good
Nutricost L-Citrulline 500mg Capsules
Nutricost L-Citrulline 500mg Capsules
Available immediately
free shipping
  • 500mg of L-Citrulline per capsule
  • capsule form for ease of use
  • intended for pre-workout supplementation
Our rating
9,6
very good
Applied Nutrition Citrulline Malate 2:1 Amino Acid Powder (300g)
Applied Nutrition Citrulline Malate 2:1 Amino Acid Powder (300g)
Available immediately
free shipping
  • contains 3000mg of citrulline malate
  • available in powder form
  • offers dosage flexibility for personalized intake
Our rating
9,5
very good
800+ purchases last month
ALLNUTRITION Citrulline 200g
ALLNUTRITION Citrulline 200g
Available immediately
free shipping
  • citrulline malate content supports muscle blood supply and toxin removal
  • powder form for easy mixability
  • flexible dosage to suit workout intensity
Our rating
9,5
very good
Best Naturals L-Citrulline Capsules 1500mg - 90 Pack
Best Naturals L-Citrulline Capsules 1500mg - 90 Pack
Available immediately
free shipping
  • contains 1500 mg of l-citrulline per 2-capsule serving
  • capsules for easy consumption
  • flexible dosage with 1-2 servings daily
Our rating
9,5
very good
Best Naturals L-Citrulline Capsules, 90 Count
Best Naturals L-Citrulline Capsules, 90 Count
Available immediately
free shipping
  • each 2 capsules contain 1500 mg of L-Citrulline
  • capsule form
  • dosage flexibility with 90 capsules per bottle
Our rating
9,3
good
Citrulline Malate, 100g
Citrulline Malate, 100g
Available immediately
free shipping
  • contains 3 grams of citrulline malate per serving
  • available in powder form for easy mixing
  • allows flexible dosage to suit individual needs
Our rating
9,1
good
Alpha01 L-Citrulline Malate 1500mg Vegan Capsules
Alpha01 L-Citrulline Malate 1500mg Vegan Capsules
Available immediately
free shipping
  • contains 1.5 grams of citrulline malate per serving
  • available in capsule form
  • allows for flexible dosage to suit individual needs
Our rating
9,1
good
400+ purchases last month
Nuke Nutrition L Citrulline Malate Capsules, 60 Count
Nuke Nutrition L Citrulline Malate Capsules, 60 Count
Available immediately
free shipping
  • Contains l-citrulline malate to support blood flow and nutrient delivery
  • Available in capsule form
  • Flexible dosing with a few capsules a day
Our rating
8,8
good

Similar Citrulline comparisons

citrullines buying guide: How to choose the right product from the above citrullines test or comparison

Understanding Citrulline: What It Is and How It Works

What is Citrulline?

Citrulline is an amino acid that our bodies use to produce another amino acid called arginine, which is vital for the synthesis of nitric oxide. This compound plays a crucial role in improving blood circulation and is particularly important for physical performance. In simple terms, citrulline helps to widen blood vessels, enhancing the flow of oxygen and nutrients to our muscles during exercise.

How Does Citrulline Work?

When we consume citrulline in the form of supplements, it gets converted into arginine, allowing our body to create more nitric oxide. This process can lead to improved endurance and strength by ensuring that our muscles receive adequate blood flow. Additionally, by buffering the accumulation of ammonia and lactate in the muscles, citrulline can help decrease muscle fatigue, allowing for longer and more effective workouts.

Benefits of Citrulline: Enhancing Performance and Recovery

Performance Boost

One of the primary reasons athletes and fitness enthusiasts turn to citrulline is its ability to enhance performance. Research suggests that citrulline can improve endurance in high-intensity exercises. So, whether you’re lifting weights, running, or cycling, taking citrulline may allow you to push through your limits.

Faster Recovery

In addition to improving performance, citrulline has benefits for recovery. By aiding in the reduction of muscle soreness and fatigue post-exercise, it can help you bounce back faster. This means you might feel less stiff after a tough workout, helping you to maintain a consistent exercise routine.

Choosing the Right Citrulline Supplement: Key Factors to Consider

Types of Citrulline

When selecting a citrulline supplement, you’ll mainly encounter two types: citrulline malate and pure citrulline. Citrulline malate is bound with malic acid and often touted for its additional energy-boosting benefits, making it a popular choice among athletes. Pure citrulline, on the other hand, is ideal for those specifically looking to increase arginine levels.

Dosage Recommendations

The typical recommended dosage for citrulline supplements ranges from 6 to 8 grams per day, particularly for citrulline malate. It’s essential to adhere to these guidelines, as taking too little may render the supplement ineffective, while taking too much can lead to unnecessary expense.

How to Incorporate Citrulline into Your Routine: Usage Tips

Timing Your Intake

To maximise the benefits of citrulline, consider taking it about 30 to 60 minutes before your workout. This timing allows for optimal absorption and effectiveness during your exercise session. If you’re using it for recovery, take it right after your workout to help speed up the recovery process.

Making It a Habit

Incorporating citrulline into your routine can be as simple as adding it to your pre-workout drink or post-workout protein shake. This way, it becomes an effortless part of your exercise regime, ensuring you don’t forget to take it.

Expected Results: How Long Before You Notice a Difference?

Initial Effects

Most people report experiencing some initial benefits of citrulline within the first few days of consistent use. This could manifest as improved energy levels during workouts or a notable reduction in post-exercise soreness.

Long-Term Benefits

For those committed to a regular routine, the longer-term effects of citrulline supplementation may become more apparent after 2 to 4 weeks of daily use. This includes enhanced performance, reduced fatigue, and a more efficient recovery process, which can significantly improve your overall fitness journey.

Table of contents
  1. Understanding Citrulline: What It Is and How It Works
  2. Benefits of Citrulline: Enhancing Performance and Recovery
  3. Choosing the Right Citrulline Supplement: Key Factors to Consider
  4. How to Incorporate Citrulline into Your Routine: Usage Tips
  5. Expected Results: How Long Before You Notice a Difference?

Overview

1. Comparison winner
L Citrulline 3000mg Capsules
Our rating
9,6
very good
L Citrulline 3000mg CapsulesAvailable immediately
2. Best value
Citrulline Malate Powder 500g
Our rating
9,6
very good
Citrulline Malate Powder 500gAvailable immediately
BioTechUSA Citrulline Malate Powder 300g
Our rating
9,6
very good
BioTechUSA Citrulline Malate Powder 300gAvailable immediately
4. Bestseller
Double Wood L-Citrulline Capsules - 1200mg, 180 count, Nitric Oxide Supplement
Our rating
9,6
very good
Double Wood L-Citrulline Capsules - 1200mg, 180 count, Nitric Oxide SupplementAvailable immediately
Freak Athletics L-Citrulline Powder 500g
Our rating
9,6
very good
Freak Athletics L-Citrulline Powder 500gAvailable immediately
Citrulline Malate Powder 2:1 (500g)
Our rating
9,6
very good
Citrulline Malate Powder 2:1 (500g)Available immediately
TREC Nutrition CITRULLINE Synergy 240g
Our rating
9,6
very good
TREC Nutrition CITRULLINE Synergy 240gAvailable immediately
Nutricost L-Citrulline 500mg Capsules
Our rating
9,6
very good
Nutricost L-Citrulline 500mg CapsulesAvailable immediately
Our product comparisons are:
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Our tests and comparisons are objective and fact-based. Manufacturers have no influence on the ratings. We aim to provide greater transparency in the market, thereby promoting product quality.
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In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
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